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Identification of recombinant plasmid PET32a(+)-UL45 by restriction enzyme digestion and PCR. M1: DL2000 DNA Marker; M2: DL15000 DNA Marker; 1: PCR product from PET32a(+)-UL45; 2: PET32a(+)-UL45 plasmids; 3: Product from PET32a(+)-UL45 plasmids digested by BamHI and XHoI .
